Question

are these pairs co prime?
18,35
21,33
PLEASE SHOW STEP BY STEP EXPLANATION
THANK U !!
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Answer 1

Answer:

Note - Numbers which have only 1 as their common factor are known as co prime numbers.

If we take the factors of 18 and 35,

=> 18 = 1, 2, 3, 6, 9, 18.

=> 35 = 1, 5, 7, 35.

We can see that apart from 1 , 18 & 35 don't have any common factor. Therefore 18 & 35 are co-primes.

If we take factors of 21 and 33,

=> 21 = 1, 3, 7, 21

=> 33 = 1, 3, 11, 33.

We can see that apart from 1 , 21 & 33 have even 3 as a common factor. Therefore 21 & 33 are not co-primes.

Hope this helps you...

Answer 2

Answer:

Yep, the above answer of ShepardN7 is absolutely correct.

Mark it as brainliest.